发明名称 |
ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE BATTERY, ELECTRODE FOR NONAQUEOUS ELECTROLYTE BATTERY, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK |
摘要 |
An active material for a nonaqueous electrolyte battery according to the embodiment is a composite including at least: a carbonaceous substance; and silicon-containing particles dispersed in the carbonaceous substance, the silicon-containing particles including at least one of silicon, a silicon alloy and a silicon oxide, wherein in an argon ion laser Raman spectrum, the half-width (ΔG) of a peak having a maximum intensity I1 in the range of 1575 cm−1 or more and 1625 cm−1 or less is 100 cm−1 or more and 150 cm−1 or less, and the intensity ratio of a peak having a maximum intensity I2 in the range of 500 cm−1 or more and 550 cm−1 or less to the peak having the maximum intensity I1 in the range of 1575 cm−1 or more and 1625 cm−1 or less (I2/I1) is 0.25 or more and 0.50 or less. |
申请公布号 |
US2016164076(A1) |
申请公布日期 |
2016.06.09 |
申请号 |
US201514956494 |
申请日期 |
2015.12.02 |
申请人 |
Kabushiki Kaisha Toshiba |
发明人 |
ESSAKI Kenji;FUKASAWA Takayuki;MURAMATSU Miho;MORITA Tomokazu;KUBOKl Takashi;KITA Yumiko |
分类号 |
H01M4/36;H01M4/583;H01M4/38 |
主分类号 |
H01M4/36 |
代理机构 |
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代理人 |
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主权项 |
1. An active material for a nonaqueous electrolyte battery, comprising a composite comprising:
a carbonaceous substance; and silicon-containing particles dispersed in the carbonaceous substance, the silicon-containing particles including at least one of silicon, an alloy containing silicon, and a silicon oxide, wherein the composite has an argon ion laser Raman spectrum in which the half-width (AG) of a peak having a maximum intensity I1 in the range of 1575 cm−1 or more and 1625 cm−1 or less is 100 cm−1 or more and 150 cm−1 or less, and the intensity ratio of a peak having a maximum intensity I2 in the range of 500 cm−1 or more and 550 cm−1 or less to the peak having the maximum intensity I1 in the range of 1575 cm−1 or more and 1625 cm−1 or less (I2/I1) is 0.25 or more and 0.50 or less. |
地址 |
Minato-ku JP |